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Ring binder of documentation, mainly about Lyons' financial administration Departmental profit and loss accounts and factory costings Departmental accounts and factory costings Wholesale rail invoices preliminary report Stock Department: Alfred Salmon Trophy winners Ring binder of Lyons and Office Management Association documentation Sub-fascicle of papers relating to Cadby Hall Works and Staff Committees Lyons' administrative matters LEO documentation LEO computer and Lyons management documentation Lyons management documentation File, 'LEO - First Jobs Payroll 1954' Draft job analysis of bakery wages payment, with binder of specimen documentation File, 'LEO - First Jobs Tea Blending Control': memoranda about stock checks and other tasks involved Tea Blending Control: 'Job Requirements' file Tea Blending Control: 'Job Requirements - Specimens' file File, 'LEO - First Jobs Teashops Orders' File about Teashop and Bakery Sales Office routines and exceptions Booklet, 'LEO Job Requirements L.2. Teashop Orders' File, 'Fundamentals of Electronics' [by Simmons] LEO: mounted and captioned photograph 'LEO chronicle 1947-1954': file of key dates in its development and use 'The layman's guide to LEO' 'Business' 'Computer Weekly', 1000th issue, supplement File of miscellaneous items relating to Lyons, LEO, and Simmons and colleagues Thomas Raymond Thompson: personalia Correspondence with Dr H.R. Calvert about LEO I exhibit at Science Museum File about interviewing of Simmons for the Science Museum 'Management Information. Index to Papers 16.9.68' [by Simmons] P.J. Bird, 'LEO: the first business computer'